isRedactionExemptTool function
True when name's output must never be redacted: the built-in
model-authored tools, or an MCP tool whose name contains a write-ish
segment (mcp__server__write_file).
Implementation
bool isRedactionExemptTool(String name) =>
redactionExemptTools.contains(name) ||
(name.startsWith('mcp__') && name.contains('write'));